uncork uncorn uncrud uncted uncued uncunt uncurd uncure uncurk uncute undade undark undata undate undead undean undear undec- undeck undenk under- undera undern undetd undock undoer undone undret undtkr unduke undure undurn uneeda unkana unkard unkeen unkent unkert unknot unnack unnear unneat unnedd unneod unnock unrack unrake unrank unrare unrate unread unrede unreke unrent unroot unrude untack untank untcok untent untone untorn untree untrod untrue untuck untune unturn unured unutra uracan urano- urartu urdeur urecar urecco ureter urette urkkad urnare urodan urodon urouer uroure urraca urraco urtaca urtaku urturn uruana uruara uruena uruoca utacon utaker utande utekac utero- uteute utkoor utnoor utrack utrera utroor uttara uttran utuado utukku utukur uturoa uuearu uuenan